Applied "ASoC: soc-core: care card_probed at soc_cleanup_card_resources()" to the asoc tree

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The patch

   ASoC: soc-core: care card_probed at soc_cleanup_card_resources()

has been applied to the asoc tree at

   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-5.5

All being well this means that it will be integrated into the linux-next
tree (usually sometime in the next 24 hours) and sent to Linus during
the next merge window (or sooner if it is a bug fix), however if
problems are discovered then the patch may be dropped or reverted.  

You may get further e-mails resulting from automated or manual testing
and review of the tree, please engage with people reporting problems and
send followup patches addressing any issues that are reported if needed.

If any updates are required or you are submitting further changes they
should be sent as incremental updates against current git, existing
patches will not be replaced.

Please add any relevant lists and maintainers to the CCs when replying
to this mail.

Thanks,
Mark

>From ce21401c9d30e81824e864dc25824ebeb9690801 Mon Sep 17 00:00:00 2001
From: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
Date: Wed, 13 Nov 2019 10:16:48 +0900
Subject: [PATCH] ASoC: soc-core: care card_probed at
 soc_cleanup_card_resources()

soc_cleanup_card_resources() will call card->remove(), but it should be
called if card->probe() or card->late_probe() are called.
snd_soc_bind_card() might be error before calling
card->probe() / card->late_probe().
In that time, card->remove() will be called.
This patch adds card_probed parameter to judge it.

Fixes: bfce78a559655 ("ASoC: soc-core: tidyup soc_init_dai_link()")
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
Tested-by: Jon Hunter <jonathanh@xxxxxxxxxx>
Link: https://lore.kernel.org/r/87o8xg4ltr.wl-kuninori.morimoto.gx@xxxxxxxxxxx
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
---
 sound/soc/soc-core.c | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index a149697e705d..977a7bfad519 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -1940,7 +1940,8 @@ static void __soc_setup_card_name(char *name, int len,
 	}
 }
 
-static void soc_cleanup_card_resources(struct snd_soc_card *card)
+static void soc_cleanup_card_resources(struct snd_soc_card *card,
+				       int card_probed)
 {
 	struct snd_soc_dai_link *link, *_link;
 
@@ -1969,17 +1970,19 @@ static void soc_cleanup_card_resources(struct snd_soc_card *card)
 	soc_cleanup_card_debugfs(card);
 
 	/* remove the card */
-	if (card->remove)
+	if (card_probed && card->remove)
 		card->remove(card);
 }
 
 static void snd_soc_unbind_card(struct snd_soc_card *card, bool unregister)
 {
 	if (card->instantiated) {
+		int card_probed = 1;
+
 		card->instantiated = false;
 		snd_soc_flush_all_delayed_work(card);
 
-		soc_cleanup_card_resources(card);
+		soc_cleanup_card_resources(card, card_probed);
 		if (!unregister)
 			list_add(&card->list, &unbind_card_list);
 	} else {
@@ -1992,7 +1995,7 @@ static int snd_soc_bind_card(struct snd_soc_card *card)
 {
 	struct snd_soc_pcm_runtime *rtd;
 	struct snd_soc_dai_link *dai_link;
-	int ret, i;
+	int ret, i, card_probed = 0;
 
 	mutex_lock(&client_mutex);
 	mutex_lock_nested(&card->mutex, SND_SOC_CARD_CLASS_INIT);
@@ -2044,6 +2047,7 @@ static int snd_soc_bind_card(struct snd_soc_card *card)
 		ret = card->probe(card);
 		if (ret < 0)
 			goto probe_end;
+		card_probed = 1;
 	}
 
 	/* probe all components used by DAI links on this card */
@@ -2109,6 +2113,7 @@ static int snd_soc_bind_card(struct snd_soc_card *card)
 			goto probe_end;
 		}
 	}
+	card_probed = 1;
 
 	snd_soc_dapm_new_widgets(card);
 
@@ -2138,7 +2143,7 @@ static int snd_soc_bind_card(struct snd_soc_card *card)
 
 probe_end:
 	if (ret < 0)
-		soc_cleanup_card_resources(card);
+		soc_cleanup_card_resources(card, card_probed);
 
 	mutex_unlock(&card->mutex);
 	mutex_unlock(&client_mutex);
-- 
2.20.1

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